/*
 * JBoss, Home of Professional Open Source
 * Copyright 2009, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.shrinkwrap.impl.base.importer;

import java.security.AccessController;
import java.security.PrivilegedAction;

/**
 * SecurityActions
 *
 * A set of privileged actions that are not to leak out of this package
 *
 * @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
 * @version $Revision: $
 */
final class SecurityActions {

    // -------------------------------------------------------------------------------||
    // Constructor ------------------------------------------------------------------||
    // -------------------------------------------------------------------------------||

    /**
     * No external instantiation
     */
    private SecurityActions() {

    }

    // -------------------------------------------------------------------------------||
    // Utility Methods --------------------------------------------------------------||
    // -------------------------------------------------------------------------------||

    /**
     * Obtains the Thread Context ClassLoader
     */
    static ClassLoader getThreadContextClassLoader() {
        return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
            public ClassLoader run() {
                return Thread.currentThread().getContextClassLoader();
            }
        });
    }
}
